5.1.1  RRC connection establishment (initial and at cell reselection towards UTRAN)  p. 9

5.1.2  RR connection establishment  p. 9

5.1.3  SRNS relocation  p. 9

5.1.4  Inter RAT hand-over  p. 10

5.2.1  CS attach / normal location update without Gs  p. 10

5.2.2  PS attach without Gs  p. 11

5.2.3  Combined PS and CS attach with Gs  p. 11

5.2.4  PS inter-SGSN routeing area update without Gs  p. 13

5.2.5  Inter-SGSN routeing area update with Gs  p. 14

5.2.6  CS attach when already PS attached and Gs present  p. 16

5.2.7  CS domain, transfer of UESBI-Iu to RAN  p. 16

5.2.8  PS domain transfer of UESBI-Iu to RAN  p. 18

5.2.9  Intra- and inter-MSC handover from A/Gb mode to Iu mode  p. 19

5.2.10  Inter-MSC handover GSM to GSM in A/Gb-mode  p. 20

5.2.11  Inter-MSC handover Iu mode to A/Gb-mode  p. 21

5.2.12  Intra- and inter-MSC SRNS relocation  p. 22

5.2.13  Intra- and inter-SGSN SRNS relocation  p. 23

5.2.14  Emergency call handling  p. 25

5.2.15  Special cases  p. 25